Investor Relations

MKS Instruments enables technologies that transform our world. We deliver foundational technology solutions to leading edge semiconductor manufacturing, electronics and packaging, and specialty industrial applications. We apply our broad science and engineering capabilities to create instruments, subsystems, systems, process control solutions and specialty chemicals technology that improve process performance, optimize productivity and enable unique innovations for many of the world’s leading technology and industrial companies. Our solutions are critical to addressing the challenges of miniaturization and complexity in advanced device manufacturing by enabling increased power, speed, feature enhancement, and optimized connectivity. Our solutions are also critical to addressing ever-increasing performance requirements across a wide array of specialty industrial applications. Additional information can be found at

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Contact Information

Primary IR Contact:
David Ryzhik, Vice President, Investor Relations
MKS Instruments, Inc.,
2 Tech Drive, Suite 201, Andover, MA 01810
Phone: 978-557-5180

Transfer Agent:
American Stock Transfer & Trust Company
59 Maiden Lane New York, New York 10038
Phone: 800-937-5449
Fax: 718-236-2641

Contact MKS Instruments Investor Relations